activity
19952026
most citedInside-Outside Duality for Planar Billiards -- A Numerical Study

25 citations · 27 across the 8 of their papers we have counts for

collaborators

8 papers

nlin.CD2026

Relativistic Quantum Chaos in Neutrino Billiards

Barbara Dietz

Neutrino billiards serve as a model system for the study of aspects of relativistic quantum chaos. These are relativistic quantum billiards consisting of a spin-1/2 particle which…

cond-mat.stat-mech2026

Universality Emerging in a Universality: Derivation of the Ericson Transition in Stochastic Quantum Scattering and Experimental Validation

Simon Köhnes, Jiongning Che, Barbara Dietz +1

At lower energies, the resonances in scattering experiments are often isolated. In quantum chaotic many-body, disordered or generically stochastic systems, the resonances overlap a…

nlin.CD2026

Experimental study of coupled quantum billiards with integrable and chaotic classical dynamics and test of a special Rosenzweig-Porter model

Xiaodong Zhang, Jiongning Che, Barbara Dietz

We report on the experimental study of the spectral properties of quantum systems consisting of two quantum billiards (QBs), one with chaotic, the other one with integrable classic…

nlin.CD2026

Nonrelativistic versus relativistic quantum scars in billiard systems

Barbara Dietz, Dung Xuan Nguyen, Tilen Čadež

We study the features of scarred eigenstates of relativistic neutrino billiards (NBs), graphene billiards (GBs) and Haldane graphene billiards (HGBs) and recapitulate those for non…

cond-mat.quant-gas2025

Quartic level repulsion in a quantum chaotic three-body system without symplectic symmetry

Alex D. Kerin, Barbara Dietz, Joachim Brand

Among the fundamental symmetry classes of quantum chaotic systems in Dyson's threefold way, the symplectic class is rarely observed in nature. Characterized by the strongest possib…

quant-ph2025★ 2 cited

Experimental study of the distributions of off-diagonal scattering-matrix elements of quantum graphs with symplectic symmetry

Jiongning Che, Nils Gluth, Simon Köhnes +2

We report on experimental studies of the distribution of the off-diagonal elements of the scattering matrix of open microwave networks with symplectic symmetry and a chaotic wave d…

cond-mat.stat-mech2025

Exact Results for the Ericson Transition in Stochastic Quantum Scattering and Experimental Validation

Simon Köhnes, Jiongning Che, Barbara Dietz +1

At lower energies, the resonances in scattering experiments are often isolated. The crucial parameter is the ratio of average resonance width and average mean level spacing. Toward…

chao-dyn1995★ 25 cited

Inside-Outside Duality for Planar Billiards -- A Numerical Study

Barbara Dietz, Jean-Pierre Eckmann, Claude-Alain Pillet +2

This paper reports the results of extensive numerical studies related to spectral properties of the Laplacian and the scattering matrix for planar domains (called billiards). There…